Measure in from the lower edge of the roof to a point 1 4 the width of the truss on either side of the attic.
Alter roof trusses loft conversion.
Due to the supporting beams taking up the available space in the roof area so many builders will tell you that your loft is unconvertible however here at tvm lofts we are experts at converting this particular style of loft.
Most loft conversions employ at least one pair of steel beams to support the new floor structure and the roof slopes at purlin level and sometimes also at ridge level e g.
The sad fact is your builder could have installed attic trusses over this garage for just slightly more than what the existing trusses cost.
Often loft conversion projects can end up being a disappointment as on completion the owner finds out that roof height is very limited and as a result the space ends up being rather pokey.
The beams are supported by the gable ends of the roof and replace the original wooden struts which are removed once the steel beams are in place.
Where you re adding a large dormer.
Looking back i was very lucky in that my roof had an unusually high 47 degree pitch and so there was lots of head room.
The conversion from a trussed roof to a trussless roof simply involves the redistribution of the roofs weight from the trusses to beams running from gable to gable.
Use a chalk line to draw a line along the floor parallel to the lower edge of the roof from one end of the attic to the other on both sides.
Measure the width of your roof trusses from inside to inside.